Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 160 and 161 are correct. Well done!

162. A point in

is ______________(a) (1,1)

(b) (2,3)

(c) (0,2)

(d) (2,1)

163. Slope of 2y = 3x is _______________

(a) 3

(b) 2

(c) 3/2

(d) -3

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 162 and 163 are correct. Well done!

164. In a sequence if a[sub]n[/sub] = 5n - 4, then a[sub]5[/sub] is ______________

(a) 29

(b) 21

(c) 6

(d) 14

165.

is __________________(a) 1

(b) -1

(c) x - 2

(d) 2x

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 164 and 165 are correct. Well done!

166. The equation of a line parallel to X-axis and passing through (3,2) is ______________

(a) y - 2 = 0

(b) x - 2 = 0

(c) x + 3 = 0

(d) y + 2 = 0

167. The range of the data 27, 35, 25, 45, 67 is _________________

(a) 40

(b) 42

(c) 10

(d) 89

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 166 and 167 are correct. Well done!

168. The angle of elevation of the top of a tower at a distance of 60 meters is found to be 45[sup]o[/sup]. The height of the tower is __________________.

(a) 60 meters

(b) 20√3 meters

(c) 45 meters

(d) 60√3 meters

169. Standard Deviation of 10 values is 4. If each value is increased by 3, then the new Standard Deviation is ___________________

(a) 7

(b) 13

(c) 4

(d) 17

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,640

167. b) 42

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi,

Shivamcoder3013 (167) and bobbym (168 and 169) : The answer(s) is/are correct. Well done!

170. In an Arithmetic Progression, if t[sub]n[/sub] = 7n - 3, then the common difference is ____________

(a) 3

(b) 4

(c) 7

(d) 10

171. The term that has to be added to x[sup]2[/sup] + 16x to make it a perfect square is ______________

(a) 16

(b) 64

(c) 8

(d) 36

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 170 and 171 are correct. Well done!

172. Parallelogram inscribed in a circle is a _______________

(a) rectangle

(b) square

(c) trapezium

(d) quadrilateral

173. The mid-point of the line segment joining the points (1,-3) and (-5,7) is _________________

(a) (-3,-5)

(b) (-2,2)

(c) (3,5)

(d) (-4,4)

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 172 and 173 are correct. Well done!

174. Area of a triangle whose vertices are (0,0), (2,0), and (0,2) is _________________

(a) 1 square unit

(b) 1/2 square unit

(c) 2 square units

(d) 0 square unit

175. 1 - tan[sup]2[/sup]45[sup]o[/sup] = ______________

(a) 1

(b) 0

(c) 2/3

(d) 2

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 174 and 175 are correct. Well done!

176. The Greatest Common Divisor of 3a[sup]2[/sup]b and 15ab[sup]2[/sup] is _______________

(a) 3ab

(b) 15a[sup]2[/sup]b[sup]2[/sup]

(c) 3a[sup]2[/sup]b[sup]2[/sup]

(d) 3ab[sup]2[/sup]

177. A die is rolled once. The probability of getting a prime number is _________________

(a) 1/3

(b) 1/2

(c) 2/3

(d) 1/6

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 176 and 177 are correct. Well done!

178. A point in

is _____________(a) (2,2)

(b) (0,2)

(c) (3,0)

(d) (0,4)

179. Standard Deviation of the data 5, 10, 20, 25 is 5√2. If we add 3 to each term, then the new Standard Deviation is _____________

(a) 3 + 5√2

(b) 8√2

(c) 5√2

(d) 2√2

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answers 178 and 179 are correct. Well done!

180. In an Arithmetic Progression, if t[sub]n[/sub] = 4n + 5, then the common difference is ________________.

(a) 5

(b) 4n

(c) 4

(d) 5n

181. If -33(mod 9) = x, then the value of x is ____________

(a) 3

(b) 4

(c) 5

(d) -3

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

The answer 180 is correct. Well done!

The answer 181 I get is (d).

182. If f(x) = 2x, g(x) = 1/2(x), then f o g (x) = _________________

(a) x[sup]2[/sup]

(b) 2x[sup]2[/sup]

(c) x

(d) 2x

183. A point on

is _______________(a) (3,2)

(b) (2,2)

(c) (1,3)

(d) (-1,4)

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,398

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,860

Hi bobbym,

You are right. Your answer 181 is correct. Well done!

The answers 182 and 183 are correct. Well done!

184. Slope of the line 2x = y is ______________

(a) 2

(b) -2

(c) 1/2

(d) -1/2

185. Area of the triangle whose vertices are (0,0), (1,0), (0,1) is _______________

(a) 1 square unit

(b) 1/2 square unit

(c) 2 square units

(d) 0 square unit

Character is who you are when no one is looking.

Offline